"No. Is this a language psyop to implant people with a negative view of people who do stuff without official license?"
If it is, it was quite succesfull, as at least some of them are using the term themself, also in the warez scene (pirate bay). Romanticizing pirates is not a new thing (while ignoring the bloody murder part).
'jay' was a slur 'cityfolk' used to describe a rube from a rural area. Someone who didn't understand the culture of the city and was too trusting, etc.
The auto industry co-oped it and used it as a wedge to get city streets turned over to cars so they could sell more cars.
Calling people broadcasting on 'protected frequencies' pirates is a similar slur.
If it is, it was quite succesfull, as at least some of them are using the term themself, also in the warez scene (pirate bay). Romanticizing pirates is not a new thing (while ignoring the bloody murder part).